Summary
Updated Aug 31, 2026
Charles Angus Pacala is President and CEO of Ouster, Inc. (OUST). 6 SEC Form 4 filings on record going back to 2024, most recently on 16 June 2026. Most recent open-market trade: sold $1.16M of OUST on 16 June 2026. Lifetime open-market purchases: $499K. Lifetime open-market sales: $3.43M.
Recent Transactions
7Every recent SEC Form 4 transaction Charles Angus Pacala has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Charles Angus Pacala go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $249K (2 buys totaling $499K). The largest single buy on record is $446K of OUST in 2024. Sales side: 4 recorded sales totaling $3.43M, so the filing history runs sell-heavy by dollar value. 3 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles Angus Pacala files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mark Frichtl - $31.14M of OUST open-market activity in the last 12 months
- Darien Spencer - $4.24M of OUST open-market activity in the last 12 months
- Kenneth P. Gianella - $3.92M of OUST open-market activity in the last 12 months
- Megan Chung - $1.90M of OUST open-market activity in the last 12 months
- Cyrille Jacquemet - $1.07M of OUST open-market activity in the last 12 months
- Susan Heystee - $616K of OUST open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Charles Angus Pacala?
Charles Angus Pacala is a corporate insider, tracked as President and CEO of Ouster, Inc. (OUST). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Charles Angus Pacala submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Charles Angus Pacala been buying or selling stock?
Recorded transactions: 2 open-market purchases ($499K) and 4 open-market sales ($3.43M) across all tracked filings.
Where can I see all of Charles Angus Pacala's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Charles Angus Pacala and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial